| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| early days of aviation | 1.23 | 0.3 | 2063 | 35 | 22 |
| early | 0.97 | 0.1 | 7496 | 97 | 5 |
| days | 0.89 | 0.9 | 8576 | 51 | 4 |
| of | 0.84 | 0.9 | 3806 | 65 | 2 |
| aviation | 1.6 | 0.7 | 6400 | 58 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| early days of aviation | 0.7 | 1 | 8742 | 35 |
| early days of radio control model aviation | 0.87 | 0.6 | 3626 | 45 |
| day in aviation history | 1.37 | 0.8 | 5102 | 85 |
| aviation history on this day | 0.19 | 0.8 | 4907 | 2 |
| the beginning of aviation | 1.24 | 0.3 | 8451 | 68 |
| important dates in aviation history | 0.47 | 0.4 | 2297 | 11 |
| early history of aviation | 0.91 | 0.6 | 4643 | 69 |
| history of aviation time | 1.43 | 0.5 | 4109 | 51 |
| this week in aviation history | 1.12 | 0.4 | 7789 | 5 |
| this date in aviation history | 1.96 | 1 | 4516 | 96 |
| today in aviation history | 1.55 | 0.4 | 6462 | 4 |
| early years of flight | 0.13 | 0.9 | 6973 | 24 |
| this day in aviation | 1.46 | 0.9 | 6118 | 44 |
| historical timeline of aviation | 1.14 | 0.7 | 8168 | 74 |
| timeline of aviation history | 1.44 | 0.1 | 6841 | 13 |
| this day in commercial aviation history | 1.37 | 0.5 | 2938 | 65 |
| this month in aviation history | 0.45 | 1 | 857 | 58 |
| how early for flight | 0.69 | 0.7 | 7331 | 6 |
| this year in aviation history | 1.87 | 0.3 | 6882 | 77 |
